WINKLER, H.-P. 50 Jahre Technisches Hilfswerk, Ortsverband Backnang. Backnanger Jahrbuch, [S. l.], v. 20, p. 279–280, 2012. DOI: 10.53458/bjb.v20i.9542. Disponível em: https://journals.wlb-stuttgart.de/ojs/index.php/bjb/article/view/9542. Acesso em: 22 juli. 2024.